threadq.h

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/*
 *  COPYRIGHT (c) 1989-2008.
 *  On-Line Applications Research Corporation (OAR).
 *
 *  The license and distribution terms for this file may be
 *  found in the file LICENSE in this distribution or at
 *  http://www.rtems.com/license/LICENSE.
 *
 *  $Id: threadq.h,v 1.25 2008/01/30 14:56:57 joel Exp $
 */

#ifndef _RTEMS_SCORE_THREADQ_H
#define _RTEMS_SCORE_THREADQ_H

#ifdef __cplusplus
extern "C" {
#endif

#include <rtems/score/tqdata.h>

#include <rtems/score/object.h>
#include <rtems/score/thread.h>
#include <rtems/score/watchdog.h>

#define THREAD_QUEUE_WAIT_FOREVER  WATCHDOG_NO_TIMEOUT

typedef void ( *Thread_queue_Flush_callout )(
                  Thread_Control *
             );

typedef void ( *Thread_queue_Timeout_callout )(
                 Objects_Id,
                 void *
             );

Thread_Control *_Thread_queue_Dequeue(
  Thread_queue_Control *the_thread_queue
);

#define _Thread_queue_Enqueue( _the_thread_queue, _timeout ) \
  _Thread_queue_Enqueue_with_handler( \
    _the_thread_queue, \
    _timeout, \
    _Thread_queue_Timeout )
  

void _Thread_queue_Enqueue_with_handler(
  Thread_queue_Control*        the_thread_queue,
  Watchdog_Interval            timeout,
  Thread_queue_Timeout_callout handler
);

void _Thread_queue_Requeue(
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread
);

void _Thread_queue_Extract(
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread
);

boolean _Thread_queue_Extract_with_proxy(
  Thread_Control       *the_thread
);

Thread_Control *_Thread_queue_First(
  Thread_queue_Control *the_thread_queue
);

void _Thread_queue_Flush(
  Thread_queue_Control       *the_thread_queue,
  Thread_queue_Flush_callout  remote_extract_callout,
  uint32_t                    status
);

void _Thread_queue_Initialize(
  Thread_queue_Control         *the_thread_queue,
  Thread_queue_Disciplines      the_discipline,
  States_Control                state,
  uint32_t                      timeout_status
);

Thread_Control *_Thread_queue_Dequeue_priority(
  Thread_queue_Control *the_thread_queue
);

Thread_blocking_operation_States _Thread_queue_Enqueue_priority (
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread,
  ISR_Level            *level_p
);

void _Thread_queue_Extract_priority_helper(
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread,
  boolean               requeuing 
);

#define _Thread_queue_Extract_priority( _the_thread_queue, _the_thread ) \
  _Thread_queue_Extract_priority_helper( _the_thread_queue, _the_thread, FALSE )


Thread_Control *_Thread_queue_First_priority(
  Thread_queue_Control *the_thread_queue
);

Thread_Control *_Thread_queue_Dequeue_fifo(
  Thread_queue_Control *the_thread_queue
);

Thread_blocking_operation_States _Thread_queue_Enqueue_fifo (
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread,
  ISR_Level            *level_p
);

void _Thread_queue_Extract_fifo(
  Thread_queue_Control *the_thread_queue,
  Thread_Control       *the_thread
);

Thread_Control *_Thread_queue_First_fifo(
  Thread_queue_Control *the_thread_queue
);

void _Thread_queue_Timeout (
  Objects_Id  id,
  void       *ignored
);

void _Thread_queue_Process_timeout(
  Thread_Control *the_thread
);

#ifndef __RTEMS_APPLICATION__
#include <rtems/score/threadq.inl>
#endif

#ifdef __cplusplus
}
#endif

#endif
/* end of include file */

---